Use the following project network, answer the following questions (note: show your calculations).
1. Determine the expected project time.
2. Estimate the probability of completing the project on or before day 30
3. What is the time to complete the project with a 90% probability?
20
35
d 15,25
20 35
0
20
20 30
35
43
a 20,4
e 10,4
j 8,4
0
20
25 35
35 43
0
0
0
20
20
34
43 43
Start
b 20,0
f 14,4
End
0
0
1
21
29
43
43 43
0
10
20
24
24
42
c 10,4
g 4.0
i 18,28.4
4
14
21
25
25
43
10
21
ES
EF
h 11,5.4
Legend:
14 25
LS
LF